On Sat, Oct 01, 2022 at 09:25:17PM -0600, Shawn Heisey wrote: > I am leaning towards completely disabling smtps and removing the permit > on the AWS firewall. Since 465 is not an actual standard, I think > everyone is using 587. I guess if I disable 465 and anyone is using it, > I'll hear about it.
Actually, it is now a standard.
https://datatracker.ietf.org/doc/html/rfc8314#section-3.3
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Viktor.
